diff --git a/app/assets/javascripts/discourse/components/bulk-select-button.js.es6 b/app/assets/javascripts/discourse/components/bulk-select-button.js.es6
index fd5d459462..96f08fd76d 100644
--- a/app/assets/javascripts/discourse/components/bulk-select-button.js.es6
+++ b/app/assets/javascripts/discourse/components/bulk-select-button.js.es6
@@ -3,7 +3,13 @@ import showModal from 'discourse/lib/show-modal';
 export default Ember.Component.extend({
   actions: {
     showBulkActions() {
-      const controller = showModal('topic-bulk-actions', { model: this.get('selected'), title: 'topics.bulk.actions' });
+      const controller = showModal('topic-bulk-actions', {
+        model: {
+          topics: this.get('selected'),
+          category: this.get('category')
+        },
+        title: 'topics.bulk.actions'
+      });
       controller.set('refreshClosure', () => this.sendAction());
     }
   }
diff --git a/app/assets/javascripts/discourse/components/login-reply-button.js.es6 b/app/assets/javascripts/discourse/components/login-reply-button.js.es6
index e162faf267..80acc342a1 100644
--- a/app/assets/javascripts/discourse/components/login-reply-button.js.es6
+++ b/app/assets/javascripts/discourse/components/login-reply-button.js.es6
@@ -1,7 +1,7 @@
 import Button from 'discourse/components/d-button';
 
 export default Button.extend({
-  label: 'topic.reply.title',
+  label: 'topic.reply.topic.title',
   icon: 'reply',
   action: 'showLogin'
 });
diff --git a/app/assets/javascripts/discourse/components/tag-group-chooser.js.es6 b/app/assets/javascripts/discourse/components/tag-group-chooser.js.es6
index ae9498af2b..efe35db5bb 100644
--- a/app/assets/javascripts/discourse/components/tag-group-chooser.js.es6
+++ b/app/assets/javascripts/discourse/components/tag-group-chooser.js.es6
@@ -8,12 +8,14 @@ export default Ember.TextField.extend({
 
   _initValue: function() {
     const names = this.get('tagGroups') || [];
-    this.set('value', names.join(", "));
+    this.set('value', names.join(","));
   }.on('init'),
 
   _valueChanged: function() {
     const names = this.get('value').split(',').map(v => v.trim()).reject(v => v.length === 0).uniq();
-    this.set('tagGroups', names);
+    if ( this.get('tagGroups').join(',') !== this.get('value') ) {
+      this.set('tagGroups', names);
+    }
   }.observes('value'),
 
   _tagGroupsChanged: function() {
diff --git a/app/assets/javascripts/discourse/controllers/topic-bulk-actions.js.es6 b/app/assets/javascripts/discourse/controllers/topic-bulk-actions.js.es6
index e3a7a34f21..ba5e6de179 100644
--- a/app/assets/javascripts/discourse/controllers/topic-bulk-actions.js.es6
+++ b/app/assets/javascripts/discourse/controllers/topic-bulk-actions.js.es6
@@ -22,6 +22,7 @@ export default Ember.Controller.extend(ModalFunctionality, {
   buttonRows: null,
 
   emptyTags: Ember.computed.empty('tags'),
+  categoryId: Ember.computed.alias('model.category.id'),
 
   onShow() {
     this.set('modal.modalClass', 'topic-bulk-actions-modal small');
@@ -44,8 +45,8 @@ export default Ember.Controller.extend(ModalFunctionality, {
   perform(operation) {
     this.set('loading', true);
 
-    const topics = this.get('model');
-    return Discourse.Topic.bulkOperation(this.get('model'), operation).then(result => {
+    const topics = this.get('model.topics');
+    return Discourse.Topic.bulkOperation(topics, operation).then(result => {
       this.set('loading', false);
       if (result && result.topic_ids) {
         return result.topic_ids.map(t => topics.findBy('id', t));
diff --git a/app/assets/javascripts/discourse/templates/bulk-tag.hbs b/app/assets/javascripts/discourse/templates/bulk-tag.hbs
index 1ffe345e30..636f83cb34 100644
--- a/app/assets/javascripts/discourse/templates/bulk-tag.hbs
+++ b/app/assets/javascripts/discourse/templates/bulk-tag.hbs
@@ -1,5 +1,5 @@
 <p>{{i18n "topics.bulk.choose_new_tags"}}</p>
 
-<p>{{tag-chooser tags=tags}}</p>
+<p>{{tag-chooser tags=tags categoryId=categoryId}}</p>
 
 {{d-button action="changeTags" disabled=emptyTags label="topics.bulk.change_tags"}}
diff --git a/app/assets/javascripts/discourse/templates/components/signup-cta.hbs b/app/assets/javascripts/discourse/templates/components/signup-cta.hbs
index e4a4ff28d2..8ee2d5b1aa 100644
--- a/app/assets/javascripts/discourse/templates/components/signup-cta.hbs
+++ b/app/assets/javascripts/discourse/templates/components/signup-cta.hbs
@@ -2,7 +2,6 @@
   {{#if session.hideSignupCta}}
     <p>
       {{i18n "signup_cta.hidden_for_session"}}
-      <a {{action "neverShow"}}>{{i18n "signup_cta.hide_forever"}}</a>
     </p>
   {{else}}
     <p>{{replace-emoji (i18n "signup_cta.intro")}}</p>
diff --git a/app/assets/javascripts/discourse/templates/discovery/topics.hbs b/app/assets/javascripts/discourse/templates/discovery/topics.hbs
index 8d0ab34d9e..22e5eb3a60 100644
--- a/app/assets/javascripts/discourse/templates/discovery/topics.hbs
+++ b/app/assets/javascripts/discourse/templates/discovery/topics.hbs
@@ -13,7 +13,7 @@
   </div>
 {{/if}}
 
-{{bulk-select-button selected=selected action="refresh"}}
+{{bulk-select-button selected=selected action="refresh" category=category}}
 
 {{#discovery-topics-list model=model refresh="refresh" incomingCount=topicTrackingState.incomingCount}}
   {{#if top}}
diff --git a/app/assets/javascripts/discourse/templates/modal/topic-bulk-actions.hbs b/app/assets/javascripts/discourse/templates/modal/topic-bulk-actions.hbs
index caa2e71d2a..9b10ef6c29 100644
--- a/app/assets/javascripts/discourse/templates/modal/topic-bulk-actions.hbs
+++ b/app/assets/javascripts/discourse/templates/modal/topic-bulk-actions.hbs
@@ -1,4 +1,4 @@
 {{#d-modal-body}}
-  <p>{{{i18n 'topics.bulk.selected' count=model.length}}}</p>
+  <p>{{{i18n 'topics.bulk.selected' count=model.topics.length}}}</p>
   {{outlet "bulkOutlet"}}
 {{/d-modal-body}}
diff --git a/app/assets/javascripts/discourse/templates/topic.hbs b/app/assets/javascripts/discourse/templates/topic.hbs
index bd02891d6b..72842995af 100644
--- a/app/assets/javascripts/discourse/templates/topic.hbs
+++ b/app/assets/javascripts/discourse/templates/topic.hbs
@@ -200,7 +200,7 @@
                     replyToPost=(action "replyToPost")
                     }}
                 {{else}}
-                  {{d-button icon="reply" class="btn-primary" action="showLogin" label="topic.reply.title"}}
+                  {{d-button icon="reply" class="btn-primary" action="showLogin" label="topic.reply.topic.title"}}
                 {{/if}}
               {{/if}}
 
diff --git a/app/assets/javascripts/discourse/widgets/topic-timeline.js.es6 b/app/assets/javascripts/discourse/widgets/topic-timeline.js.es6
index ca925d343d..8c33b126af 100644
--- a/app/assets/javascripts/discourse/widgets/topic-timeline.js.es6
+++ b/app/assets/javascripts/discourse/widgets/topic-timeline.js.es6
@@ -377,7 +377,7 @@ export default createWidget('topic-timeline', {
         controls.push(this.attach('button', {
           className: 'btn create',
           icon: 'reply',
-          title: 'topic.reply.help',
+          title: 'topic.reply.topic.help',
           action: 'replyToPost'
         }));
       }
diff --git a/lib/version.rb b/lib/version.rb
index 7d5c307522..ed6702f18c 100644
--- a/lib/version.rb
+++ b/lib/version.rb
@@ -5,7 +5,7 @@ module Discourse
       MAJOR = 1
       MINOR = 8
       TINY  = 0
-      PRE   = 'beta3'
+      PRE   = 'beta4'
 
       STRING = [MAJOR, MINOR, TINY, PRE].compact.join('.')
     end